Launch your boat into the Ohio River or explore a 55-foot cave with fascinating pirate history in this state park in southeastern Illinois.

Follow a waterfall underground when you attempt this beautiful—yet slightly daunting—cave trail in Alabama.

Cave City, the home to Mammoth Cave National Park, is giving visitors reason to stop and explore. Cave City in Barren County is home to Mammoth Cave National Park. Over the years, the city has gone ...

For a place to visit that offers extraordinary caverns, as well as overground hikes, and wild west museums, this is the ideal ...

The discovery of more than 100 prehistoric structures in the Cova Dones cave in Spain makes it one of the most significant prehistoric underground sites in the world. Archaeologists found stalagmites ...

Hidden across the Keystone State are mysterious underground spots just waiting to be explored. While there are plenty of ...

In the state with the highest number of caves, some draw visitors every October for dank, dark tours and other seasonally ...

Brett Hemphill, a noted diver, died while exploring Phantom Springs Cave in Texas, officials say. Screengrab from Facebook post by Karst Underwater Research. A renowned diver recently died while ...